US11525285B2 - Interconnected door lock - Google Patents
Interconnected door lock Download PDFInfo
- Publication number
- US11525285B2 US11525285B2 US16/472,302 US201716472302A US11525285B2 US 11525285 B2 US11525285 B2 US 11525285B2 US 201716472302 A US201716472302 A US 201716472302A US 11525285 B2 US11525285 B2 US 11525285B2
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- United States
- Prior art keywords
- cam
- cam plate
- linkage
- deadbolt
- latch bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B59/00—Locks with latches separate from the lock-bolts or with a plurality of latches or lock-bolts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/0065—Operating modes; Transformable to different operating modes
- E05B63/0069—Override systems, e.g. allowing opening from inside without the key, even when locked from outside
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/10—Locks or fastenings for special use for panic or emergency doors
- E05B65/1086—Locks with panic function, e.g. allowing opening from the inside without a ley even when locked from the outside
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/0067—Monitoring
- E05B2047/0069—Monitoring bolt position
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/0056—Locks with adjustable or exchangeable lock parts
Definitions
- the present invention relates to a door lock, and, more particularly, to an interconnected door lock.
- Interconnected door locks have long been available, wherein actuation of an interior operator, e.g., knob or lever, simultaneously retracts both a latch bolt and a deadbolt. Such interconnected door locks may be found in both commercial and residential environments.
- US 2004/0107747 One such interconnected door lock is disclosed in US 2004/0107747, wherein engagement between a door lock linkage and a secondary linkage allows the pivotal movement of the inner handle to drive the secondary linkage to pivot so that the primary deadbolt is also driven so that the primary deadbolt is retracted.
- the arrangement disclosed in US 2004/0107747 cannot be easily converted from a left-hand door configuration to a right-hand door configuration, or vice-versa.
- the present invention provides an interconnected door lock having an interconnection assembly that can be easily converted from a left-hand door configuration to a right-hand door configuration, or vice-versa.
- the invention in one embodiment is directed to an interconnection assembly for a door lock set having a deadbolt assembly with a deadbolt and an interior latch bolt handle operatively coupled to a latch bolt.
- the interconnection assembly includes a chassis defining a first rotational axis, a second rotational axis, and a pivot axis.
- An upper cam plate is rotatably coupled to the chassis to pivot about the first rotational axis.
- the upper cam plate is operatively coupled to the deadbolt.
- the upper cam plate has a cam surface.
- a lower cam plate is rotatably coupled to the chassis to pivot about the second rotational axis.
- the lower cam plate is operatively coupled to the interior latch bolt handle.
- the lower cam plate has a cam slot.
- a linkage bar is rotatably coupled to the chassis to pivot about the pivot axis.
- the linkage bar has a first linkage portion and a second linkage portion that extend in opposite directions orthogonal to the pivot axis.
- the first linkage portion has a first cam follower configured to operatively engage the cam surface of the upper cam plate and the second linkage portion has a second cam follower operatively received in the cam slot of the lower cam plate.
- the invention in another embodiment is directed to an interconnected door lock including a latch bolt assembly having a latch bolt and a deadbolt assembly having a deadbolt.
- a latch bolt handle set includes an exterior latch bolt operator having an exterior latch bolt handle and an interior latch bolt operator having an interior latch bolt handle. Each of the interior latch bolt operator and the exterior latch bolt operator is operatively coupled to the latch bolt assembly to selectively operate the latch bolt.
- a deadbolt operator set includes an exterior deadbolt operator and an interior deadbolt operator. Each of the exterior deadbolt operator and the interior deadbolt operator is operatively coupled to the deadbolt assembly to selectively operate the deadbolt.
- An interconnection assembly is configured to interconnect the interior latch bolt handle to the deadbolt operator set.
- the interconnection assembly includes a chassis defining a first rotational axis, a second rotational axis, and a pivot axis.
- An upper cam plate is rotatably coupled to the chassis to pivot about the first rotational axis.
- the upper cam plate is operatively coupled to the deadbolt.
- the upper cam plate has a cam surface.
- a lower cam plate is rotatably coupled to the chassis to pivot about the second rotational axis.
- the lower cam plate is operatively coupled to the interior latch bolt handle.
- the lower cam plate has an arcuate cam slot.
- a linkage bar is rotatably coupled to the chassis to pivot about the pivot axis.
- the linkage bar has a first linkage portion and a second linkage portion that extend in opposite directions orthogonal to the pivot axis.
- the first linkage portion has a first cam follower configured to operatively engage the cam surface of the upper cam plate and the second linkage portion has a second cam follower operatively received in
- conversion of the interconnected door lock from right-hand to left-hand operation, or vice-versa is a matter of simply changing the direction that each of the deadbolt of the deadbolt assembly and the latch bolt of the latch bolt assembly extends from the chassis, e.g., is effected by rotating each of the deadbolt assembly and the latch bolt assembly by generally 180 degrees.
- the terms “comprises,” “comprising,” “includes,” “including,” “has,” “having” or any other variation thereof, are intended to cover a non-exclusive inclusion.
- a process, method, article, or apparatus that comprises a list of features is not necessarily limited only to those features but may include other features not expressly listed or inherent to such process, method, article, or apparatus.
- connection or “attached” includes physical, whether direct or indirect, affixed or adjustably mounted, as for example, an upper cam plate is operatively connected to a deadbolt.
- connection or “attached” is intended to embrace any operationally functional connection.
- substantially As used herein “substantially,” “generally,” “slightly” and other words of degree are relative modifiers intended to indicate permissible variation from the characteristic so modified. It is not intended to be limited to the absolute value or characteristic which it modifies but rather possessing more of the physical or functional characteristic than its opposite, and preferably, approaching or approximating such a physical or functional characteristic.
- FIG. 1 is a front exterior view of an interconnected door lock in accordance with an aspect of the preset invention, as viewed from the side of the exterior operators.
- FIG. 2 is a side view of the interconnected door lock of FIG. 1 , with a door shown by phantom lines.
- FIG. 3 is an exploded view of the interconnected door lock of FIGS. 1 and 2 .
- FIG. 4 is an exploded view of the interconnection assembly of the interconnected door lock of FIGS. 1 - 3
- FIG. 5 is an enlarged view of the upper cam plate of the interconnection assembly depicted in FIGS. 3 and 4 .
- FIG. 6 is an enlarged view of the linkage bar of the interconnection assembly depicted in FIGS. 3 and 4 .
- FIG. 7 A is a front interior view of the interconnected door lock of FIGS. 1 - 4 , with the interior escutcheon removed, showing the deadbolt in a retracted position and the latch bolt in the extended position.
- FIG. 7 B is a rear view of the interconnected door lock of FIG. 7 A .
- FIG. 8 A is a front interior view of the interconnected door lock of FIGS. 1 - 4 , with the interior escutcheon removed, showing the deadbolt in a partially extended position as a result of a rotation of the interior deadbolt handle.
- FIG. 8 B is a rear view of the interconnected door lock of FIG. 8 A .
- FIG. 9 A is a front interior view of the interconnected door lock of FIGS. 1 - 4 , with the interior escutcheon removed, showing the deadbolt in a fully extended position as a result of a further rotation of the interior deadbolt handle.
- FIG. 9 B is a rear view of the interconnected door lock of FIG. 9 A .
- FIG. 10 A is a front interior view of the interconnected door lock of FIGS. 1 - 4 , with the interior escutcheon removed, showing the deadbolt and the latch bolt in a partially retracted position as a result of a rotation of the interior latch bolt handle.
- FIG. 10 B is a rear view of the interconnected door lock of FIG. 10 A .
- FIG. 11 A is a front interior view of the interconnected door lock of FIGS. 1 - 4 , with the interior escutcheon removed, showing the deadbolt and the latch bolt in a fully retracted position as a result of a further rotation of the interior latch bolt handle.
- FIG. 11 B is a rear view of the interconnected door lock of FIG. 11 A .
- FIG. 12 is a rear view of the interconnected door lock of FIGS. 1 - 4 , wherein the interior latch bolt handle of the interior latch bolt operator is released from rotation to return to the normal released position.
- Interconnected door lock 10 includes a deadbolt operator set 12 , a deadbolt assembly 14 , a latch bolt handle set 16 , a latch bolt assembly 18 , and an interconnection assembly 20 .
- FIG. 2 shows interconnected door lock 10 mounted to a door 22 , shown by phantom lines.
- Deadbolt operator set 12 includes an exterior deadbolt operator 24 and an interior deadbolt operator 26 .
- Exterior deadbolt operator 24 includes a mounting chassis 24 - 1 , an exterior escutcheon 24 - 2 , a deadbolt lock cylinder 24 - 3 , and a deadbolt spindle 24 - 4 .
- Deadbolt spindle 24 - 4 has a distal end portion 24 - 5 .
- Deadbolt lock cylinder 24 - 3 is rotatably coupled to mounting chassis 24 - 1 .
- Deadbolt lock cylinder 24 - 3 is operatively connected to deadbolt spindle 24 - 4 , such that a rotation of deadbolt lock cylinder 24 - 3 via a key 24 - 6 results in a corresponding rotation of deadbolt spindle 24 - 4 .
- Interior deadbolt operator 26 includes an interior deadbolt handle 26 - 1 and a set screw 26 - 2 to connect interior deadbolt handle 26 - 1 to a deadbolt spindle drive of interconnection assembly 20 , which in turn is coupled to distal end portion 24 - 5 of deadbolt spindle 24 - 4 . Accordingly, a rotation of interior deadbolt operator 26 results in a corresponding rotation of deadbolt spindle 24 - 4 .
- Interior deadbolt handle 26 - 1 may be, for example, a turn lever or knob, but is not limited in this regard.
- Deadbolt assembly 14 includes a housing 14 - 1 , a deadbolt 14 - 2 , and a deadbolt drive 14 - 3 .
- Deadbolt 14 - 2 is slidably received in housing 14 - 1 , and is movable between an extended position and a retracted position.
- Each of exterior deadbolt operator 24 and interior deadbolt operator 26 is operatively coupled to deadbolt assembly 14 to selectively operate deadbolt 14 - 2 .
- Deadbolt drive 14 - 3 is rotatable relative to housing 14 - 1 , and is operatively coupled to deadbolt 14 - 2 .
- Deadbolt drive 14 - 3 is configured to convert a rotary input into a linear translation of latch bolt 14 - 2 .
- Deadbolt drive 14 - 3 includes a drive opening 14 - 4 for drivably receiving deadbolt spindle 24 - 4 , such that the rotary input may be provided by either of deadbolt lock cylinder 24 - 3 or interior deadbolt handle 26 - 1 of deadbolt operator set 12 .
- Latch bolt handle set 16 includes an exterior latch bolt operator 28 and an interior latch bolt operator 30 .
- Exterior latch bolt operator 28 includes a mounting chassis 28 - 1 , an exterior escutcheon 28 - 2 , an exterior latch bolt handle 28 - 3 , and a latch bolt spindle drive 28 - 4 (shown in dashed lines).
- Latch bolt spindle drive 28 - 4 has a distal end portion 28 - 5 .
- Exterior latch bolt handle 28 - 3 is rotatably coupled to mounting chassis 28 - 1 .
- Exterior latch bolt handle 28 - 3 is operatively connected to latch bolt spindle drive 28 - 4 , such that a rotation of exterior latch bolt handle 28 - 3 results in a corresponding rotation of latch bolt spindle drive 28 - 4 .
- Exterior latch bolt handle 28 - 3 may be, for example, a turn lever or knob but is not limited in this regard.
- Interior latch bolt operator 30 includes an interior latch bolt handle 30 - 1 having a tubular coupler 30 - 2 that is coupled to interconnection assembly 20 .
- Interior latch bolt handle 30 - 1 may be, for example, a turn lever or knob.
- Latch bolt assembly 18 includes a housing 18 - 1 , a latch bolt 18 - 2 , and a latch bolt drive 18 - 3 .
- Each of exterior latch bolt operator 28 and interior latch bolt operator 30 is operatively coupled to latch bolt assembly 18 to selectively operate latch bolt 18 - 2 .
- Latch bolt 18 - 2 is slidably received in housing 18 - 1 , and is movable between an extended position and a retracted position.
- Latch bolt drive 18 - 3 is rotatable relative to housing 18 - 1 , and is operatively coupled to latch bolt 18 - 2 .
- Latch bolt drive 18 - 3 is configured to convert a rotary input into a linear translation of latch bolt 18 - 2 .
- Latch bolt drive 18 - 3 includes a drive opening 18 - 4 for drivably receiving latch bolt spindle drive 28 - 4 , such that the rotary input may be provided by exterior latch bolt handle 28 - 3 .
- drive opening 18 - 4 of latch bolt drive 18 - 3 drivably receives a spindle of interconnection assembly 20 , as more fully described below, which in turn drivably couples interior latch bolt handle 30 - 1 to latch bolt drive 18 - 3 , such that interior latch bolt handle 30 - 1 may provide the rotary input to latch bolt drive 18 - 3 .
- Interconnection assembly 20 is configured to interconnect interior latch bolt handle 30 - 1 of latch bolt handle set 16 to deadbolt operator set 12 , so as to facilitate operation of deadbolt 14 - 2 via operation of interior latch bolt handle 30 - 1 .
- interconnection assembly 20 includes a chassis 32 , an interior escutcheon 34 , a deadbolt spindle drive assembly 36 , a tubular latch bolt drive assembly 38 , a linkage bar 40 , and a return spring 42 .
- Chassis 32 defines a first rotational axis 32 - 1 , a second rotational axis 32 - 2 , and a pivot axis 32 - 3 .
- Deadbolt spindle drive assembly 36 is rotatably coupled to chassis 32 to pivot about first rotational axis 32 - 1 .
- Tubular latch bolt drive assembly 38 is rotatably coupled to chassis 32 to pivot about second rotational axis 32 - 2 .
- Linkage bar 40 is rotatably coupled to chassis 32 to pivot about pivot axis 32 - 3 .
- deadbolt operator set 12 is configured to rotate about first rotational axis 32 - 1 and latch bolt handle set 16 is configured to rotate about second rotational axis 32 - 2 .
- Chassis 32 is in the form of an elongate plate having a first side 32 - 4 and a second side 32 - 5 .
- Chassis 32 has a first hole 32 - 6 , a second hole 32 - 7 , a third hole 32 - 8 and an arcuate opening 32 - 9 .
- First hole 32 - 6 is centered on first rotational axis 32 - 1
- second hole 32 - 7 is centered on second rotational axis 32 - 2
- third hole 32 - 8 is centered on pivot axis 32 - 3 .
- Arcuate opening 32 - 9 is radially positioned between second hole 32 - 7 and third hole 32 - 8 .
- Each of first hole 32 - 6 , second hole 32 - 7 , third hole 32 - 8 , and arcuate opening 32 - 9 extends axially through chassis from first side 32 - 4 to second side 32 - 5 .
- Interior escutcheon 34 is configured to cover the internal components of interconnection assembly 20 , and is configured for removable mounting (e.g., via snap fit, slidable attachment, or screws) to chassis 32 .
- Interior escutcheon 34 includes an opening 34 - 1 and an opening 34 - 2 . Opening 34 - 1 is centered on first rotational axis 32 - 1 and opening 34 - 2 is centered on second rotational axis 32 - 2 .
- Deadbolt spindle drive assembly 36 includes a spindle drive 44 , an upper cam plate 46 , a washer 48 and a retainer 50 .
- Spindle drive 44 is sized to be rotatably received in first hole 32 - 6 of chassis 32 .
- Spindle drive 44 has an enlarged head 44 - 1 , a shaft portion 44 - 2 , and a drive opening 44 - 3 .
- Shaft portion 44 - 2 extends axially through first hole 32 - 6
- enlarged head 44 - 1 prevents spindle drive 44 from passing in its entirety through first hole 32 - 6 of chassis 32 .
- Shaft portion 44 - 2 has a noncircular exterior shape, e.g., rectangular, to drivably receive upper cam plate 46 but is not limited in this regard and can be any shape configured for operating the spindle drive 44 .
- Drive opening 44 - 3 is centrally located in spindle drive 44 for alignment with first rotational axis 32 - 1 .
- Drive opening 44 - 3 of spindle drive 44 is sized and shaped to drivably receive distal end portion 24 - 5 of deadbolt spindle 24 - 4 , such that a rotation of spindle drive 44 results in a corresponding translation movement of deadbolt 14 - 2 .
- upper cam plate 46 has first wing portion 46 - 1 , a second wing portion 46 - 2 , and a mounting hole 46 - 3 .
- Mounting hole 46 - 3 has a noncircular shape, e.g., rectangular, such that shaft portion 44 - 2 of spindle drive 44 is drivably received through mounting hole 46 - 3 .
- Upper cam plate 46 is rotatably coupled to chassis 32 to pivot about first rotational axis 32 - 1 via spindle drive 44 .
- Upper cam plate 46 further includes a cam surface 52 .
- First wing portion 46 - 1 is symmetrical to second wing portion 46 - 2 with respect to a vertical centerline 54 of upper cam plate 46 to define cam surface 52 as having a downwardly facing V-shape.
- the V-shaped cam surface 52 defines a first cam surface portion 52 - 1 and a second cam surface portion 52 - 2 .
- An apex 52 - 3 of the V-shape is located on vertical centerline 54 .
- the apex 52 - 3 joins first cam surface portion 52 - 1 with second cam surface portion 52 - 2 .
- first cam surface portion 52 - 1 diverges from second cam surface portion 52 - 2 at the apex 52 - 3 in an angular range between first cam surface portion 52 - 1 and second cam surface portion 52 - 2 , for example, of generally 140 to 160 degrees.
- Deadbolt spindle drive assembly 36 is assembled on chassis 32 as follows. Shaft portion 44 - 2 of spindle drive 44 is inserted through first hole 32 - 6 in a direction from second side 32 - 5 to first side 32 - 4 until enlarged head 44 - 1 engages second side 32 - 5 of chassis 32 . Washer 48 is then installed over shaft portion 44 - 2 on first side 32 - 4 of chassis 32 . Upper cam plate 46 is then mounted to spindle drive 44 by inserting shaft portion 44 - 2 through mounting hole 46 - 3 of upper cam plate 46 , and the assembly is completed by connecting retainer 50 , e.g., a snap ring, near the free end of shaft portion 44 - 2 of spindle drive 44 .
- retainer 50 e.g., a snap ring
- Drive opening 44 - 3 of spindle drive 44 is sized and shaped to drivably receive distal end portion 24 - 5 of deadbolt spindle 24 - 4 , such that a rotation of spindle drive 44 results in a corresponding rotation of deadbolt drive 14 - 3 , and in turn, a corresponding translation movement of deadbolt 14 - 2 .
- upper cam plate 46 is operatively coupled to deadbolt 14 - 2 , wherein as configured, any rotation of spindle drive 44 of deadbolt spindle drive assembly 36 to operate deadbolt assembly 14 results in a corresponding rotation of upper cam plate 46 .
- upper cam plate 46 is operatively coupled to linkage bar 40 via cam surface 52 , such that any rotation of upper cam plate 46 when acted upon by linkage bar 40 will result in a corresponding rotation of deadbolt drive 14 - 3 and in turn, a corresponding translation movement of deadbolt 14 - 2 .
- tubular latch bolt drive assembly 38 includes a drive tube 56 , a mounting ring 58 , a mounting bracket 60 , a return spring 62 , a drive spindle 64 , and a lower cam plate 66 .
- Drive tube 56 includes a first end portion 56 - 1 and a second end portion 56 - 2 .
- Mounting ring 58 is connected to a central portion of drive tube 56 .
- First end portion 56 - 1 of drive tube 56 projects through second hole 32 - 7 of chassis 32 .
- Mounting ring 58 is positioned between mounting bracket 60 and chassis 32 , with mounting bracket 60 being connected to chassis 32 via fasteners, e.g., screws or bolts.
- First end portion 56 - 1 of drive tube 56 is configured to connect to tubular coupler 30 - 2 of interior latch bolt operator 30 .
- Second end portion 56 - 2 of drive tube 56 is configured to connect to lower cam plate 66 via an annular series of tabs that engage corresponding slots in 006Cower cam plate 66 .
- Drive spindle 64 is connected to lower cam plate 66 for rotation about second rotational axis 32 - 2 .
- drive spindle 64 is sized and shaped, e.g., as a rectangular drive, to be drivably received in drive opening 18 - 4 of latch bolt drive 18 - 3 of latch bolt assembly 18 .
- any rotation of drive spindle 64 results in a corresponding rotation of latch bolt drive 18 - 3 of latch bolt assembly 18 and of lower cam plate 66 .
- return spring 62 engages lower cam plate 66 and chassis 32 , so as to return lower cam plate 66 , and in turn interior latch bolt operator 30 , to a home position when no external force is exerted on interior latch bolt handle 30 - 1 .
- a rotation of interior latch bolt handle 30 - 1 of interior latch bolt operator 30 results in a corresponding rotation of lower cam plate 66 and drive spindle 64 of tubular latch bolt drive assembly 38 , so as to effect a corresponding rotation of latch bolt drive 18 - 3 of latch bolt assembly 18 , and in turn, a corresponding translation of latch bolt 18 - 2 .
- lower cam plate 66 is rotatably coupled to chassis 32 to pivot about second rotational axis 32 - 2 , with lower cam plate 66 being operatively coupled to interior latch bolt handle 30 - 1 .
- Lower cam plate 66 has an arcuate cam slot 66 - 1 having an upwardly facing U-shape.
- Arcuate cam slot 66 - 1 defines an arcuate path, with arcuate cam slot 66 - 1 having a first terminal end 66 - 2 and a second terminal end 66 - 3 that is spaced apart from first terminal end 66 - 2 along the arcuate path.
- Lower cam plate 66 is operatively coupled to linkage bar 40 via arcuate cam slot 66 - 1 .
- Linkage bar 40 is rotatably coupled to chassis 32 to pivot about pivot axis 32 - 3 , and is located on first side 32 - 4 of chassis 32 , along with lower cam plate 66 .
- linkage bar 40 is in the form of an elongate member having a pivot hole 40 - 1 , a first linkage portion 68 , a second linkage portion 70 .
- Pivot hole 40 - 1 is axially aligned with pivot axis 32 - 3 .
- First linkage portion 68 and second linkage portion 70 extend in opposite directions orthogonal to pivot axis 32 - 3 .
- First linkage portion 68 includes an upper hole 68 - 1 for mounting an upper cam follower 68 - 2 , e.g., by press fit, rivet, or threaded fastener, and has a spring mounting tab 68 - 3 for receiving an eye-portion of return spring 42 .
- Second linkage portion 70 has a lower hole 70 - 1 for mounting a lower cam follower 70 - 2 , e.g., by press fit, rivet, or threaded fastener.
- Each of upper cam follower 68 - 2 and lower cam follower 70 - 2 may be in the form of a pin that projects from a surface of linkage bar 40 in a direction substantially parallel to pivot axis 32 - 3 .
- one or both of upper cam follower 68 - 2 and lower cam follower 70 - 2 may be in the form of a roller.
- Linkage bar 40 further includes a pivot pin 72 that extends through pivot hole 40 - 1 to connect, e.g., by press fit, rivet, or threaded fastener, to third hole 32 - 8 of chassis 32 on pivot axis 32 - 3 , with a spacing washer 74 positioned between linkage bar 40 and chassis 32 .
- linkage bar 40 is configured to pivot about pivot axis 32 - 3 .
- upper cam follower 68 - 2 of first linkage portion 68 of linkage bar 40 is configured to operatively engage cam surface 52 of upper cam plate 46 . Since upper cam plate 46 and lower cam plate 66 are mounted on opposite sides of chassis 32 , lower cam follower 70 - 2 of second linkage portion 70 of linkage bar 40 is received through arcuate opening 32 - 9 in chassis 32 (see FIG. 4 ) so as to be operatively received in arcuate cam slot 66 - 1 of lower cam plate 66 (see also FIG. 3 ).
- Upper cam follower 68 - 2 of first linkage portion 68 of linkage bar 40 is configured to follow at least a portion of the V-shape of cam surface 52 as upper cam plate 46 pivots about first rotational axis 32 - 1 , such that linkage bar 40 pivots about pivot axis 32 - 3 to reposition lower cam follower 70 - 2 of second linkage portion 70 of linkage bar 40 in arcuate cam slot 66 - 1 of lower cam plate 66 .
- FIGS. 7 A and 7 B depicted an unlocked state of interconnected door lock 10 , wherein deadbolt 14 - 2 is in a retracted position and latch bolt 18 - 2 is in the normal extended position.
- upper cam follower 68 - 2 of first linkage portion 68 of linkage bar 40 is positioned at the central apex 52 - 3 of cam surface 52 of upper cam plate 46
- lower cam follower 70 - 2 of second linkage portion 70 of linkage bar 40 is positioned at a central portion of arcuate cam slot 66 - 1 of lower cam plate 66 .
- FIGS. 8 A, 8 B, 9 A and 9 B depict a component progression wherein deadbolt 14 - 2 is extended to the locked position by rotation of interior deadbolt handle 26 - 1 of interior deadbolt operator 26 .
- An arrow 76 indicates the direction of rotation of linkage bar 40 about pivot axis 32 - 3 for the associated drawing.
- upper cam follower 68 - 2 of first linkage portion 68 of linkage bar 40 is moved by cam surface 52 of upper cam plate 46 away from the central apex 52 - 3 to one of first cam surface portion 52 - 1 and second cam surface portion 52 - 2 , and lower cam follower 70 - 2 of second linkage portion 70 of linkage bar 40 is positioned at a corresponding one of first terminal end 66 - 2 and second terminal end 66 - 3 of the arcuate cam slot 66 - 1 of lower cam plate 66 , depending on whether interconnected door lock 10 is configured for right-handed door operation or left-handed door operation.
- upper cam follower 68 - 2 of first linkage portion 68 of linkage bar 40 is moved by cam surface 52 of upper cam plate 46 away from the central apex 52 - 3 to second cam surface portion 52 - 2 , and lower cam follower 70 - 2 of second linkage portion 70 of linkage bar 40 is positioned at second terminal end 66 - 3 of arcuate cam slot 66 - 1 of lower cam plate 66 (see FIG. 9 B ).
- FIGS. 10 A, 10 B, 11 A, 11 B show a progression of the retraction of deadbolt 14 - 2 in conjunction with a retraction of latch bolt 18 - 2 from the fully extended positions depicted in FIGS. 9 A and 9 B via a rotation of interior latch bolt handle 30 - 1 of interior latch bolt operator 30 .
- lower cam follower 70 - 2 of second linkage portion 70 of linkage bar 40 is positioned at second terminal end 66 - 3 of arcuate cam slot 66 - 1 of lower cam plate 66 .
- FIGS. 10 A, 10 B, 11 A, 11 B show a progression of the retraction of deadbolt 14 - 2 in conjunction with a retraction of latch bolt 18 - 2 from the fully extended positions depicted in FIGS. 9 A and 9 B via a rotation of interior latch bolt handle 30 - 1 of interior latch bolt operator 30 .
- lower cam follower 70 - 2 of second linkage portion 70 of linkage bar 40 is positioned at second terminal end 66 -
- a downward movement of interior latch bolt handle 30 - 1 of interior latch bolt operator 30 causes a rotation of interior latch bolt handle 30 - 1 about second rotational axis 32 - 2 that results in a corresponding rotation of lower cam plate 66 about second rotational axis 32 - 2 to rotationally displace arcuate cam slot 66 - 1 relative to second rotational axis 32 - 2 as depicted in the progression 10 B, 11 B, and in turn invokes a counter rotation (see arrow 76 ; FIGS.
- return spring 62 returns interior latch bolt handle 30 - 1 to the normal released position.
- conversion of interconnected door lock 10 from right-hand to left-hand operation, or vice-versa is a matter of simply changing the direction that each of deadbolt 14 - 2 of deadbolt assembly 14 and latch bolt 18 - 2 of latch bolt assembly 18 extends from chassis 32 , e.g., is effected by rotating each of deadbolt assembly 14 and latch bolt assembly 18 by generally 180 degrees relative to chassis 32 .
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Abstract
Description
Claims (22)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/US2017/012738 WO2018128633A1 (en) | 2017-01-09 | 2017-01-09 | Interconnected door lock |
Publications (2)
Publication Number | Publication Date |
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US20210148140A1 US20210148140A1 (en) | 2021-05-20 |
US11525285B2 true US11525285B2 (en) | 2022-12-13 |
Family
ID=62789474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/472,302 Active 2037-12-27 US11525285B2 (en) | 2017-01-09 | 2017-01-09 | Interconnected door lock |
Country Status (5)
Country | Link |
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US (1) | US11525285B2 (en) |
CA (1) | CA3049518C (en) |
MX (1) | MX2019007897A (en) |
TW (1) | TWI744446B (en) |
WO (1) | WO2018128633A1 (en) |
Citations (14)
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US5077992A (en) * | 1991-05-28 | 1992-01-07 | Frank Su | Door lock set with simultaneously retractable deadbolt and latch |
US5655393A (en) * | 1995-03-07 | 1997-08-12 | Tong-Lung Metal Industry Co., Ltd. | Door lock set with simultaneously retractable deadbolt and latch |
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WO2016033793A1 (en) * | 2014-09-05 | 2016-03-10 | Hampton Products International Corporation | Keyed lockset operable by pivoting actuator about first axis or second axis |
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2017
- 2017-01-09 US US16/472,302 patent/US11525285B2/en active Active
- 2017-01-09 MX MX2019007897A patent/MX2019007897A/en unknown
- 2017-01-09 WO PCT/US2017/012738 patent/WO2018128633A1/en active Application Filing
- 2017-01-09 CA CA3049518A patent/CA3049518C/en active Active
- 2017-12-22 TW TW106145365A patent/TWI744446B/en active
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US20040107747A1 (en) | 2002-12-09 | 2004-06-10 | Shih-Chung Chang | Linkage adapted to be controlled by an inner handle to deactivate a primary dead bolt which is controlled by a knob on a door |
US7871112B2 (en) | 2005-03-03 | 2011-01-18 | Hardware Specialties, Inc. | Reversible double deadbolt mortise latch |
US7364212B1 (en) * | 2006-11-28 | 2008-04-29 | Eversafety Precision Industry (Tianjin) Co., Ltd. | Door lock |
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Also Published As
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CA3049518C (en) | 2023-10-17 |
WO2018128633A1 (en) | 2018-07-12 |
CA3049518A1 (en) | 2018-07-12 |
TW201829896A (en) | 2018-08-16 |
MX2019007897A (en) | 2019-12-19 |
TWI744446B (en) | 2021-11-01 |
US20210148140A1 (en) | 2021-05-20 |
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